TS-A6991R Coaxial Car Speaker Maximum Music Power: 460 Watts Nominal Power: 80 Watts Woofer: 163mm x 237mm Midrange: 57mm Dome Tweeter: 37mm Cone Super Tweeter: 18mm Dome Super Tweeter: 13mm Dome Impedance: 4 Ohms Sensitivity: 93 dB/W (1m) Frequency Response: 25-35,000Hz